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Dr. John Alferes, MD

Internal Medicine

  • (503) 285-9321

Dr. Alferes's Overview

Dr. John Alferes graduated from the Oregon Health & Science University School of Medicine in 1982. He works in Portland, OR and specializes in Internal Medicine. Dr. Alferes is affiliated with Kaiser Sunnyside Medical Center and Salem Hospital.

Dr. Alferes's Experience

Years in Practice: 33

Dr. Alferes's Specialties

Internal Medicine

Dr. Alferes's Education & Training

Medical School: Oregon Health & Science University School of Medicine; Graduated 1982

Dr. Alferes's Rating

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  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Alferes's Accepted Insurance

  • Kaiser Permanente

Dr. Alferes's Office Information & Appointments

Office Locations

Kaiser Permanente Medical Group
Kaiser Permanente Medical Center

3550 N Interstate Ave
Portland, OR 97227
(503) 285-9321


Office Hours and Information

Fax: (503) 331-6171

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 8:30 PM
Tuesday 8:00 AM - 8:30 PM
Wednesday 8:00 AM - 8:30 PM
Thursday 8:00 AM - 8:30 PM
Friday 8:00 AM - 8:30 PM
Saturday 8:00 AM - 8:30 PM
Sunday 8:00 AM - 8:30 PM

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Dr. Alferes's Hospital Affiliations

Office Locations

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